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LM9638 Datasheet Monochrome CMOS Image Sensor

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: LM9638 Monochrome CMOS Image Sensor SXGA 18 FPS ADVANCE INFORMATION May 2002 LM9638 Monochrome CMOS Image Sensor SXGA 18.

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General Description

The LM9638 is a high performance, low power, 1/2" SX GA CMOS Active Pixel Sensor capable of capturing monochrome still or motion images and converting them to a digital data stream.

Mega-pixel class image quality is achieved by integrating a high performance analog signal processor comprising of a high speed 10 bit A/D convertor, fixed pattern noise elimination circuits and a programmable gain amplifier.

The offset and black level can be automatically adjusted on chip using a full loop black level compensation circuit.

Key Features

  • f Video and snapshot operation f Progressive scan read out with horizontal and vertical flip f Programmable Exposure: - Master clock divider - Inter row delay - Inter frame delay - Partial frame integration f Programmable gain amplifier f Full automatic servo loop for black level & offset adjustment on each gain channel f Horizontal & vertical sub-sampling (2:1 & 4:2) with averaging f Windowing f Programmable pixel clock, inter-frame and inter-line delays f I2 C compatible serial control interfa.

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